数字6,7,9,12经过怎样的运算才能得到24

2025-04-07 17:31:54
推荐回答(2个)
回答1:

6*((7+9)-12)
6*(7+(9-12))
6*(7-(12-9))
6*((7-12)+9)
(6*(9-7))+12
6*((9+7)-12)
6*(9+(7-12))
6*(9-(12-7))
6*((9-12)+7)
((7+9)-12)*6
(7+(9-12))*6
(7-(12-9))*6
((7-12)+9)*6
((9-7)*6)+12
((9+7)-12)*6
(9+(7-12))*6
(9-(12-7))*6
((9-12)+7)*6
12-(6*(7-9))
12+(6*(9-7))
12-((7-9)*6)
12+((9-7)*6)

回答2:

6×(7-(12-9))=6×4=24